Optus now has the fastest 5G in Australia, so where’s Telstra?

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5G speeds in Australia are now double the global average, with Optus 5G leading the way.

Australia has some of the fastest 5G in the world – and Optus is winning the speed war, according to new figures from Internet analytics site Speedtest.

Optus had the fastest 5G in the first few months of 2021, with median download speeds of about 310Mbps. Telstra's 5G was a close second at 295Mbps, and Vodafone was a distant third with roughly 185Mbps.

This is nearly double Optus's performance less than a year ago, when it scored an average of 170Mbps in an August 2020 OpenSignal report. You can see the comparison below (Vodafone was not included in the report).
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Note: OpenSignal data used average speeds, while Speedtest used medians. However, the two here should be roughly comparable.

How much faster is Optus 5G than Telstra?

From the results above, you can see that the difference between Optus 5G speeds and Telstra is a pretty minuscule 14.86Mbps. In real world speeds, you're probably unlikely to feel much of a difference. While Optus did come first in the speed test, it didn't come out of it much more in front of Telstra.

No matter which provider you go with, 5G users in Australia have access to top technology. Speedtest revealed that Australia's median 5G speeds are a blazing 284Mbps, nearly twice the global average and slower only than China and South Korea among its trading partners.

To put this into perspective, the most widely used network in Australia, 4G, has an average download speed of around 40Mbps.

You can expect 7 times faster downloads by upgrading to a 5G connection.

And with maximum speeds of up to 20Gbps, depending who you ask, we can expect even quicker 5G in the future.

Where can I get Optus 5G in Australia?

5G isn't everywhere yet, in part because it takes way more signal towers to get proper coverage.

If you're looking to get your hands on Optus's speedy 5G, according to Speedtest, it's currently covering 13.6% of the Australian population, which is quite a bit less than Telstra's 32.8%. Vodafone comes in last in terms of 5G coverage, with just 3.4% of the population covered.

Your best chance at 5G is to live in a major or capital city, where the networks are well established.

Telstra has set the lofty goal of reaching 75% of the population with 5G by June 2021. It also claims that its own network already covers 50% of Australians, which is larger than Speedtest's figure. It's expected that Optus and Vodafone 5G coverage will also increase by June too.

How does the price of Optus 5G compare?

You can get access to Optus 5G as long as you have a 5G compatible phone and an Optus plan. Optus offers 5G access on all of its postpaid mobile plans, which will cost you $39 and up depending on how much data you're after.

In comparison, Telstra only offers 5G on some of its postpaid mobile plans (its cheapest plan doesn't come with 5G access), but will cost you $65 or more each month depending on which plan you choose. It's a loftier price than Optus, however Telstra does have wider 5G coverage which is important if you really want to get those 5G speeds.

Vodafone is the only one of the three networks to offer 5G access on both its prepaid and postpaid mobile plans.

Telcos don't technically charge a premium for plans with 5G access, but as you can see, some of them have decided to make it accessible on only a few ranges of their plans.

Optus is also the first major provider to open up its 5G network to smaller MVNOs, with SpinTel already selling 5G mobile and home Internet plans via the Optus network.

Compare 5G mobile plans below

10 of 213 results
Finder Score Data allowance Ongoing price Special offer Description Rewards
9.6
Data Allowance
80GB
Optus 4G/5G network
$40
per month
per month
Ongoing price
$40
per month
per month
SAVE $120
$40
$20
per month for first 6 months
$20/mth for first 6 months, then $40/mth. Order by 24 Feb 2026. T&Cs apply.
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8.6
Data Allowance
100GB
Vodafone 4G/5G network
$45
per month
per month
Ongoing price
$45
per month
per month
SAVE $135
$45
$22.50
per month for first 6 months
$22.50/mth for first 6 months, then $45/mth. T&Cs apply.
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9.9
Data Allowance
Unlimited
Vodafone 4G/5G network
$40
per month
per month
Ongoing price
$40
per month
per month
SAVE $80
$40
$20
per month for first 4 months
Black Friday offer: $20/mth for first 4 months, then $40/mth. Use promo code UNL4. Ends 14 Dec 2025. T&Cs apply.
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iiNet logo
8.6
iiNet Large Plan
PrepaidNo lock-in contract
SAVE $135
$45
$22.50
per month for first 6 months
8.6
Data Allowance
100GB
Vodafone 4G/5G network
$45
per month
per month
Ongoing price
$45
per month
per month
SAVE $135
$45
$22.50
per month for first 6 months
$22.50/mth for first 6 months, then $45/mth. T&Cs apply.
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Southern Phone logo
7.6
Southern Phone Medium
PostpaidNo lock-in contract
No special offer
7.6
Data Allowance
40GB
Optus 4G/5G network
$29
per month
per month
Ongoing price
$29
per month
per month
No special offer
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Belong Mobile logo
7.9
Belong 40GB
PostpaidNo lock-in contract
SAVE $30
$35
$30
per month for first 6 months
7.9
Data Allowance
40GB
Wholesale Telstra 4G/5G network
$35
per month
per month
Ongoing price
$35
per month
per month
SAVE $30
$35
$30
per month for first 6 months
$30/mth for first 6 months, then $35/mth. Activate by 21 Jan 2026. T&Cs apply.
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Optus logo
9.5
Optus Flex Plus $350 365 days
PrepaidNo lock-in contract
$275
for first recharge
300GB
for first 3 recharges
9.5
Data Allowance
220GB
Optus 4G/5G network
$350
per 365 day recharge
per 365 day recharge
Ongoing price
$350
per 365 days expiry
per 365 days expiry
$275
for first recharge
300GB
for first 3 recharges
$275 for first 365 days, ends 13 Jan 2026. 300GB for first 3 recharges, then 220GB. New services only. T&Cs apply
ENDS SOON!
$100
$100
VISA CARD REWARD
1
Click here
2
Buy an Optus Prepaid long expiry plan
3
Get card from Finder
Ends by. T&Cs apply.
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Boost Mobile logo
9.1
Boost $365 SIM
PrepaidNo lock-in contract
No special offer
9.1
Data Allowance
365GB
Telstra 4G/5G network
$365
per 12 months
per 12 months
Ongoing price
$365
per 12 months
per 12 months
No special offer
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Vodafone logo
7.6
Vodafone $35 Prepaid Plus Starter Pack
PrepaidNo lock-in contract
SAVE $23 + BONUS DATA
$35
$12
for first recharge
25GB
70GB
for first 3 recharges
7.6
Data Allowance
25GB
Vodafone 4G/5G network
$35
per 28 day recharge
per 28 day recharge
Ongoing price
$35
per 28 days expiry
per 28 days expiry
SAVE $23 + BONUS DATA
$35
$12
for first recharge
25GB
70GB
for first 3 recharges
70GB for $12 on activation, 70GB for $35 on next 2 recharges, then 25GB for $35/recharge. Ends 8 Dec 2025. T&Cs apply.
Go to site More info
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iiNet logo
8.6
iiNet Medium Plan
PrepaidNo lock-in contract
SAVE $105
$35
$17.50
per month for first 6 months
8.6
Data Allowance
50GB
Vodafone 4G/5G network
$35
per month
per month
Ongoing price
$35
per month
per month
SAVE $105
$35
$17.50
per month for first 6 months
$17.50/mth for first 6 months, then $35/mth. T&Cs apply.
Go to site More info
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